Latitude: 53.2307 / 53°13'50"N
Longitude: -4.1119 / 4°6'42"W
OS Eastings: 259128
OS Northings: 372488
OS Grid: SH591724
Mapcode National: GBR 5Q.0HM3
Mapcode Global: WH547.T243
Plus Code: 9C5Q6VJQ+76
Entry Name: Penrhyn Bridge, including parapet walls on the approach road to Penrhyn Castle Port
Listing Date: 2 August 1988
Last Amended: 2 August 1988
Grade: II
Source: Cadw
Source ID: 4099
Building Class: Transport
ID on this website: 300004099
Location: Spanning the Afon Cegin at the inner end of Penrhyn Docks. Reached off the Llandegai road and carrying the rear drive into the Penrhyn Estate.
County: Gwynedd
Community: Bangor
Community: Bangor
Locality: Penrhyn
Built-Up Area: Bangor
Traditional County: Caernarfonshire
Tagged with: Bridge
Dated 1820 and initialled GHDP; probably by Benjamin Wyatt, architect to the estate.
Coursed rubble. Single segmental arch with voussoirs, keystone and arch ring; iron plaque over the raised lettering. The parapet appears to have been rebuilt and has ironwork balustrade. Advanced piers at either end with tall concave recess and swept out bases; the roadway is carried to either side by revetment walls slightly swept out.
The parapets continue on the E bank towards the entrance to Penrhyn Castle with regularly spaced low piers; on the N side the parapet sweeps up over a garden door and curved back to end at a large square pier adjoining the Customs House; on the S side the parapet continues as far as the gate into the adjoining field. To W end the wall ramps down on N side and sweeps up to end on S side joining boundary wall rising to Llandegai Road. Old photographs show that the bridge had iron gates at the W end.
At the E end blow the roadway are 2 segmental arched openings with boarded doors; one to N side partly bricked up. These were originally the arches through which the LNWR Port Siding and Penrhyn Quarry Railway passed - the tracks led directly to the harbour.
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